-- @testpoint: opengauss关键字current_path(非保留)，作为函数名，部分测试点合理报错

--关键字不带引号-成功
drop function if exists current_path;
create function current_path(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists current_path;
--关键字带双引号-成功
drop function if exists "current_path";
create function "current_path"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists "current_path";
--关键字带单引号-合理报错
drop function if exists 'current_path';
create function 'current_path'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `current_path`;
create function `current_path`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/